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Husqvarna MZ 52 Operator's Manual
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Husqvarna MZ 52 Operator's Manual

Owners manual
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Operator Manual
Gasoline containing up to 10% ethanol
(E10) is acceptable for use in this
machine. The use of any gasoline
exceeding 10% ethanol (E10) will void
MZ52 / 967277402
the product warranty.
Please read the operator manual carefully and make sure you
understand the instructions before using the machine.

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Summary of Contents for Husqvarna MZ 52

  • Page 1 Operator Manual Gasoline containing up to 10% ethanol (E10) is acceptable for use in this machine. The use of any gasoline exceeding 10% ethanol (E10) will void MZ52 / 967277402 the product warranty. Please read the operator manual carefully and make sure you understand the instructions before using the machine.
  • Page 2 To implement improvements, specifications and designs can be altered without prior notification. Note that no legal demands can be placed based on the information contained in these instructions. Use only original parts for repairs. The use of other parts voids the warranty. Do not modify or install non-standard equipment to the unit without consent from the manufacturer.

  • Page 3: Table Of Contents

    CONTENTS INTRODUCTION ............5 Operating on Hills ..........31 Driving and Transport on Public Roads .....5 Stopping the Engine .........32 Towing ..............5 Mowing Tips .............33 Operating ............5 Moving Machine By Hand ........34 Good Service .............6 MAINTENANCE ............35 Manufacturing Number ........6 Maintenance Schedule ........35 SYMBOLS AND DECALS .........7 Battery ..............37 SAFETY ..............9...
  • Page 4 WARNING! Failure to follow cautious operating practices can result in serious injury to the operator or other persons. The owner must understand these instructions, and must allow only trained persons who understand these instructions to operate the mower. Each person operating the mower must be of sound mind and body and must not be under the influence of any mind altering substance.

  • Page 5: Introduction

    INTRODUCTION Congratulations Towing Thank you for purchasing a Husqvarna ride-on mower. If machine is equipped with a tow hitch, use extreme This machine is built for superior efficiency to rapidly caution when towing. Never allow children or others in mow primarily large areas. A control panel that is or on the towed equipment.

  • Page 6: Good Service

    INTRODUCTION Good Service Husqvarna's products are sold only in specialized retail stores with complete service. This ensures that you as a customer receive only the best support and service. Before the product is delivered, the machine has, for example, been inspected and adjusted by your retailer.

  • Page 7: Symbols And Decals

    SYMBOLS AND DECALS These symbols are found on the machine and in the operator’s manual. Study them carefully so that you know what they mean. WARNING! IMPORTANT INFORMATION Xxxx xxxxxx xxxxx xxxx xxxxxxxxx Xxxx xxxxxx xxxxx xxxx xxxxxxxxx xxxxxx xxxxxx xxxxxxxxx. xx xxxxxxxx xxxx xxxxxxxxx.
  • Page 8 SYMBOLS AND DECALS Shut off engine and remove key before performing any Keep a safe Read maintenance distance from Use on slopes no Operator Manual or repair work the machine greater than 10° No passengers Whole body Severing of fingers Do not open Careful Careful...

  • Page 9: Safety

    SAFETY Safety Instructions WARNING! These instructions are for your safety. Read them carefully. This symbol means that important safety instructions need to be emphasized. It concerns your safety. WARNING! THIS CUTTING MACHINE IS CAPABLE OF AMPUTATING HANDS AND FEET AND THROWING OBJECTS. FAILURE TO OBSERVE THE FOLLOWING SAFETY INSTRUCTIONS COULD RESULT IN SERIOUS INJURY OR DEATH.
  • Page 10 SAFETY • Disengage blades when not mowing. Shut off engine and wait for all parts to come to a complete stop before cleaning the machine, removing the grass catcher, or unclogging the discharge guard. • Operate machine only in daylight or good artificial light.

  • Page 11: Personal Safety Equipment

    SAFETY Personal Safety Equipment WARNING! When using the machine, approved personal protective equipment (shown in illustrations) shall be used. Personal protective equipment cannot eliminate the risk of injury but it will reduce the degree of injury if an accident does happen.
  • Page 12 SAFETY • Do not try to stabilize the machine by putting a foot on the ground. • Do not mow near drop-offs, ditches, or embankments. The machine could suddenly roll over if a wheel is over the edge or if the edge caves in.

  • Page 13: Safe Handling Of Gasoline

    SAFETY Safe Handling of Gasoline WARNING! The engine and the exhaust system become very hot during operation. There is risk for burns if touched. Allow engine and exhaust system to cool before refueling. To avoid personal injury or property damage, use extreme care in handling gasoline.

  • Page 14: General Maintenance

    SAFETY General Maintenance • Never operate machine in a closed area. • Keep all nuts and bolts tight to be sure the equipment is in safe working condition. • Never tamper with safety devices. Check their proper operation regularly. • Keep machine free of grass, leaves, or other debris buildup.
  • Page 15 SAFETY Sparking can occur when working with the battery and the heavy cables of the starter circuit. This can cause battery explosion, fire or eye injury. Sparking in this circuit can not occur after the chassis cable (normally negative, black) is removed from the battery. WARNING! Avoid electrical sparking and its consequences by the following routines:...

  • Page 16: Transport

    (if any). If a spark Other states may have similar laws. Federal laws arrestor is used, it should be maintained apply on federal lands. in effective working order by the A spark arrestor for the muffler is available through operator. any authorized Husqvarna dealer.

  • Page 17: Controls

    CONTROLS This operator’s manual describes the Husqvarna Zero hydraulic pumps. Using the left and right steering Turn Rider. The rider is fitted with a Kohler four-stroke controls, the flow is regulated and thereby the overhead valve engine. direction and speed.

  • Page 18: Motion Control Levers

    CONTROLS Motion Control Levers The machine’s speed and direction are continuously variable using the two steering controls. The steering controls can be moved forward or backward about a neutral position. Furthermore, there is a neutral position, which is locked if the steering controls are moved outward.

  • Page 19: Hour Meter

    CONTROLS Hour Meter The hour meter displays the total operating time with the blade activated. The display on the hour meter will turn on the oil can icon after every fifty hours of use and will stay on for two hours or until the meter is manually reset. To manually reset the timer, turn the ignition key to the run position and then engage and disengage the blade switch five times at one second intervals.

  • Page 20: Parking Brake

    CONTROLS Parking Brake The parking brake is found on the left of the machine. Pull the lever backward to activate the brake and push forward to release it. IMPORTANT INFORMATION The machine must stand absolutely still when applying the parking brake. Always set the parking brake before dismounting.

  • Page 21: Fuses

    CONTROLS Release the key to the RUN position when the engine has started. 8058-161 Ignition switch - RUN position On models equipped with headlights, turn the key clockwise to ACCESSORY for headlight use. 8058-162 Ignition switch - accessory Fuses Fuses are located on the left hand side of the machine.

  • Page 22: Cutting Height Adjuster

    CONTROLS Cutting Height Adjuster The desired cutting height is set with the height pin. The cutting height pedal releases the deck lift to place the deck and the selected height. For transport, push the lift pedal fully forward until the deck lift latches in the transport (highest) position.

  • Page 23: Fuel Tank

    CONTROLS Fuel Tank Read the safety instructions before refueling. The capacity for the tank is 5 gallons (19 liters). Regularly check the gas cap gasket for damage and keep the cap properly tightened. The engine will run on a minimum of 87-octane unleaded gasoline (no oil mix).

  • Page 24: Operation

    OPERATION Read the Safety section and the following pages if To turn to the right you are unfamiliar with the machine. While moving in a forward direction, pull the right lever back towards the neutral position while maintaining Training the position of the left lever, this will slow the rotation Due to unique steering capabilities, zero turn mowers of the right wheel and cause the machine to turn in are far more maneuverable than typical riding...

  • Page 25: Before Starting

    OPERATION Before Starting 1. Read the sections on Safety and Controls before starting the machine. 2. Perform the daily maintenance before starting (see Maintenance Schedule in the Maintenance section). 3. Check that there is sufficient fuel in the fuel tank. 4.

  • Page 26: Starting The Engine

    OPERATION Starting the Engine 1. Sit on the seat. 2. Raise the mower deck to the transport position by locking the lift pedal fully forward. 8058-223 Set mower deck to the transport position 3. Activate the parking brake. 8058-210 Activate parking brake before starting 4.
  • Page 27 OPERATION 5. Move the steering controls outward to the locked (outer) neutral position. 8058-208 Place controls in neutral position 6. Move the throttle to the middle position. If the engine is cold, the choke control should be pulled 8058-145 Set the throttle and choke 7.
  • Page 28 OPERATION 8. Press in and turn the ignition key to the start position. IMPORTANT INFORMATION Do not run the starter for more than 5 seconds each time. If the engine does not start, wait about 10 seconds before retrying. 8050-780 Turn to the start position 9.

  • Page 29: Weak Battery

    OPERATION Weak Battery If the battery is too weak to start the engine, it should be recharged. (See Battery in the Maintenance section.) WARNING! Lead-acid batteries generate explosive gases. Keep sparks, flame and smoking materials away from batteries. Always wear eye protection when around batteries.

  • Page 30: Running

    OPERATION Running 1. Release the parking brake by moving the lever downward. NOTE: The mower is equipped with an operator presence system. When the engine is running, any attempt by the operator to leave the seat without first setting the parking brake will shut off the engine.

  • Page 31: Operating On Hills

    OPERATION Operating on Hills Read the Safety Instructions Driving on Slopes in the Safety Instructions. WARNING! IMPORTANT INFORMATION Do not drive up or down hills with slopes Control levers return to neutral when released. greater than 10 degrees. Do not drive This may cause the mower to suddenly stop.

  • Page 32: Stopping The Engine

    OPERATION Stopping the Engine 1. Move the throttle to the minimum position (tortoise symbol). 2. Move the steering controls outward. 3. Disengage the mower deck by depressing the blade switch. 8058-162 Disengage the mower deck and move throttle to minimum 4.

  • Page 33: Mowing Tips

    OPERATION Mowing Tips WARNING! • Observe and flag rocks and other fixed objects to Clear the lawn of stones and other avoid collisions. objects that can be thrown out by the • Begin with a high cutting height and reduce it blades.

  • Page 34: Moving Machine By Hand

    OPERATION Moving Machine By Hand WARNING! No adjustments or maintenance should be carried out unless: • the engine stopped • the ignition key removed • the parking brake activated When pushing or pulling the mower, engage the IZT (Integrated Zeroturn Transaxle) bypass linkages. The release levers are located on each side of the rear of the unit below the rear engine plate.

  • Page 35: Maintenance

    MAINTENANCE Maintenance Schedule The following is a list of maintenance procedures that an authorized service workshop is recommended to must be performed on the machine. For those points maintain your machine in the best possible condition not described in this manual, visit an authorized and to ensure safe operation.
  • Page 36 MAINTENANCE Daily At least Maintenance interval once in hours each MAINTENANCE Before After year ■ Check/adjust throttle cable ● ● Check the condition of belts, belt pulleys ■ ■ Change the engine oil ■ ■ Replace the engine oil filter ■...

  • Page 37: Battery

    MAINTENANCE Battery STANDARD STATE APPROXIMATE BATTERY CHARGING TIME* TO FULL CHARGE AT 80 F / 27 Your mower is equipped with a maintenance free BATTERY Maximum Rate at: battery and does not need servicing. However, CHARGE 50 Amps 30 Amps 20 Amps 10 Amps periodic charging of the battery with an automotive...

  • Page 38: Safety System

    MAINTENANCE Safety System This machine is equipped with a safety system that prevents starting or driving under the following conditions. The engine can only be started when: • The mower deck is disengaged. • The steering controls are in the outer, locked neutral position.

  • Page 39: Deck Belt

    MAINTENANCE Deck Belt Deck Belt Removal Park on a level surface. Apply park brake. Lower the deck into the lowest cutting position. 1. Remove foot plate and belt shields. 2. Using a ratchet or breaker bar with a " socket on the spring idler bolt, relieve the tension on the belt.

  • Page 40: Pump Belt

    MAINTENANCE Pump Belt The belts are not adjustable. Replace belts if they begin to slip from wear. Replacing Pump Belt Park the mower on a level surface. Engage the parking brake. Belt Removal From the top side of the deck: 1.

  • Page 41: Cutting Blades

    IMPORTANT INFORMATION WARNING! Before performing any service or Special blade bolt is heat treated. adjustment checklist: Replace with a Husqvarna bolt if required. • Engage the parking brake. Do not use lower grade hardware than • Place the Blade switch in the specified.

  • Page 42: Adjusting The Mower Deck

    MAINTENANCE Adjusting the Mower Deck Check the tire pressure before adjustment of the mower deck. See Tire Pressures in Maintenance section. Faulty mower deck adjustments will cause an uneven mowing result. Leveling deck Adjust the deck while the mower is on a level surface.

  • Page 43: Anti-Scalp Rollers

    MAINTENANCE Anti-scalp rollers Anti-scalp rollers are properly adjusted when they are just slightly off of the ground when the deck is at the desired cutting height in the operating position. Anti- scalp rollers then keep the deck in the proper position to help prevent scalping in most terrain conditions.

  • Page 44: Caster Wheels

    MAINTENANCE Caster Wheels Check every 200 hours. Check that wheels rotate freely. IMPORTANT INFORMATION DO NOT add any type of tire liner or foam fill material to the tires. Excessive loads created by foam tires will cause premature failures. Use only O.E.M. specified tires. Removal and Installation Remove nut and caster bolt.

  • Page 45: Lubrication

    LUBRICATION Lubrication Schedule 8058-056 12/12 Every year Lubricate with grease gun Level check 1/52 Every Week Oil change Filter change 1/365 Every day Change hydraulic drive filters. p See Engine Manufacturer's manual General Remove the ignition key to prevent unintentional Wipe away excess grease after lubrication.

  • Page 46: Wheel And Deck Zerks

    LUBRICATION Wheel and Deck Zerks Use only good quality bearing grease. Grease from well-known brand names (petrochemical companies, etc.) usually maintains a good quality. Front Wheel Mount Lubricate with a grease gun until the grease is forced out. Front Wheel Bearings Lubricate 3-4 strokes with a grease gun on each set of wheel bearings.

  • Page 47: Engine Oil Change

    LUBRICATION Engine oil change NOTE: Change the engine oil when the engine is warm. Refer to the engine owner’s manual for the correct replacement oil and filter change recommendations. WARNING! To prevent burns, the engine should be shut off and allowed to cool slightly so the engine is still warm but the surrounding surfaces and oil are not.

  • Page 48: Transmission Purging

    LUBRICATION 3. After the oil has drained, wipe the filter base Transmission Purging surface and apply a film of new oil to the gasket of Due to the effects air has on efficiency in hydrostatic the replacement filter. drive applications, it is critical to purge the system. These purge procedures should be implemented any time a hydrostatic system has been opened to Drain old oil filters of all free-flowing oil prior...

  • Page 49: Troubleshooting Guide

    TROUBLESHOOTING GUIDE Problem Cause Engine will not start • Blade switch is engaged • Steering controls are not locked in the neutral position • Parking brake is not activated • Battery is dead • Contamination in the carburetor or fuel line •...
  • Page 50 TROUBLESHOOTING GUIDE Problem Cause Machine vibrates • Blades are loose • Blades are incorrectly balanced • Engine is loose Engine overheats • Clogged air intake or cooling fins • Engine overloaded • Poor ventilation around engine • Defective engine speed regulator •...

  • Page 51: Storage

    Drain the fuel purchase year, model, type, and serial number. outdoors, into an approved container. Always use genuine Husqvarna spare parts. Store the fuel away from open flame An annual check-up at an authorized service or any source of ignition. Never use workshop is a good way to ensure that the machine gasoline for cleaning.

  • Page 52: Wiring Diagrams

    WIRING DIAGRAM...

  • Page 53: Technical Data

    TECHNICAL DATA Torque Specifications Engine crankshaft bolt 50 ft/lb (67 Nm) Standard ¼" fasteners 9 ft/lb (12 Nm) Deck pulley bolts 75 ft/lb (100 Nm) Standard " fasteners 18 ft/lb (25 Nm) Lug nuts 75 ft/lb (100 Nm) Standard " fasteners 33 ft/lb (44 Nm) Blade bolt 55 ft/lb (75 Nm)
  • Page 54 TECHNICAL DATA The power rating as declared by the MZ52 engine manufacturer is the average gross power output at the specified RPM of a Engine typical production engine for the engine Manufacturer Kawasaki model measured using SAE Standards for engine gross power. Refer to the engine Type FR730V manufacturer engine specifications.

  • Page 55: Conformity Certificates

    CONFORMITY CERTIFICATES USA requirements Labels are placed on the engine and/or in the engine compartment stating that the machine will fulfill the requirements. This is also applicable to special requirements for any of the states, (California emission rules etc.). Do not remove any of these labels. Certificates can also be supplied with the machine at delivery or written in the Engine manual.

  • Page 56: Service Journal

    SERVICE JOURNAL Action Date, mtr reading, stamp, sign Delivery Service Charge the battery Adjust the tire pressure of all wheels to 15 PSI (1 bar) Mount the steering controls in the normal position Connect the contact box to the cable for the seat’s safety switch Check that the right amount of oil is in the engine Adjust the position of the steering controls Fill with fuel and open the fuel shut off valve...
  • Page 57 SERVICE JOURNAL Action Date, mtr reading, stamp, sign After 10 hours Change the engine oil Check hydraulic oil level Inspect hydraulic hoses Inspect hydraulic belt Inspect hydraulic filter Check neutral position Check safety system Check seat belt Check fuel system for leaks Inspect safety guards and shields Check brake adjustment...
  • Page 58 SERVICE JOURNAL Action Date, mtr reading, stamp, sign Daily Service Clean debris from mower Check engine oil level Check the tire pressures Check underside of deck Inspect deck pulleys Check/clean the engine’s cooling air intake Check safety system Check seat belt Check fuel system for leaks Inspect safety guards and shields Check brake adjustment...
  • Page 59 SERVICE JOURNAL Action Date, mtr reading, stamp, sign 25-Hour Service Check the fuel pump’s air filter Sharpen/Replace mower blades if required Check the tire pressures Check battery with cables Lubricate according to lubrication chart Check/clean the engine’s cooling air intake Clean the air cleaner’s foam pre-filter...
  • Page 60 SERVICE JOURNAL Action Date, mtr reading, stamp, sign 100-Hour Service Grease fittings (caster pivots and caster wheels) Inspect dampeners Inspect frame Inspect throttle cable Inspect hardware Check the tire pressures Change the engine oil and filter Change air filter Inspect spark plug Inspect fuel filter Check engine RPM Clean underside of deck...
  • Page 61 SERVICE JOURNAL Action Date, mtr reading, stamp, sign 300-Hour Service Grease fittings (caster pivots and caster wheels) Inspect dampeners Inspect frame Inspect throttle cable Inspect hardware Check the tire pressures Change the engine oil and filter Change air filter Inspect spark plug Inspect fuel filter Check engine RPM Clean underside of deck...
  • Page 62 SERVICE JOURNAL Action Date, mtr reading, stamp, sign At least once each year Clean the engine’s cooling air intake Replace the air cleaner’s foam pre-filter Replace the air filter’s paper cartridge Change the engine oil Replace the engine oil filter Check/adjust the cutting height Check/adjust the parking brake Clean/Change the spark plugs...
  • Page 64 2013-07-25 115 622327 Rev A...

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Mz5225Mz61967277402

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